Geologia

SOUTH AFRICAN CODE FOR REPORTING OF MINERAL RESOURCES AND MINERAL RESERVES (THE SAMREC CODE)

PREPARED BY THE SOUTH AFRICAN MINERAL RESOURCE COMMITTEE (SAMREC) UNDER THE AUSPICES OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY

Effective March 2000

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samrec_version.doc

ACKNOWLEDGEMENTS
WORKING GROUP ON THECOMPILATION OF THE MAIN SOUTH AFRICAN CODE FOR REPORTING OF MINERAL RESOURCES AND MINERAL RESERVES Members of the Working Group: Dr F. Camisani M O’Brien A Clay G Cantello D Dingemans Dr D Emslie C Geach J Genis R Ingram Prof. D Krige Adv. C Loxton M McWha M Mullins A Ross R Tucker J Visser D Young P Wipplinger Chairman, SAIMM Anglo American Corporation Private Consultant Firms & Merchant BanksAnglogold Coal Sub-committee Anglogold Association of Law Societies of SA Goldfields AVMIN Geostatistical Association of SA General Council of the BAR of SA Chamber of Mines of SA Billiton JSE Geological Society of SA Council of Professional Land Surveyors SA Council of Banks Council for Geosciences

Additional National Contributors to the Working Group: Prof C Annhauser A Christie A J De Klerk JFerreira J Giezing Dr W Kleingeld P Mellowship K Rainer D J Van Niekerk H Van Der Berg Prof M Veljoen Witwatersrand University Anglocoal SA Council for Natural Scientific Professions De Beers Private Consultant De Beers Impala Platinum HSBC Investment Services ISCOR ISCOR Witwatersrand University

Additional International Contributors to the Working Group from the Task Force on FrameworkClassification of the United Nations Economic Commission for Europe (UNFC) and from the International Definition Group of the Council of the Mining and Metallurgical Institutions (CMMI-IDG): Dr D Kelter Mr N Miskelly Mr J Postle Dr J M Rendu Mr G Ridler Prof. S Slavov Mr N Weatherstone UNFC CMMI-IDG and JORC CMMI-IDG and CIMM CMMI-IDG and USAIMM CMMI-IDG and IMM UNFC CMMI-IDG and IMM

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SOUTH AFRICAN CODE FOR REPORTING OF MINERAL RESOURCES AND MINERAL RESERVES (THE SAMREC CODE) Table Of Contents
1. 2. 3. 4. 5. FOREWORD INTRODUCTION SCOPE COMPETENCE AND RESPONSIBILITY REPORTING TERMINOLOGY 5.1 Definitions 5.2 Reporting - General 5.3 Reporting of Exploration Results 5.4 Reporting of Mineral Resources 5.5Reporting of Mineral Reserves 5.6 Reporting of Mineralised Stope-fill, Remnants, Pillars, Low Grade Mineralisation, Stockpiles, Dumps and Tailings 6. COMMODITY SPECIFIC REPORTING FOR COAL 6.1 General 6.2 Reporting of Coal Resources 6.3 Reporting of Coal Reserves 6.4 Reporting of Coal in Pillars and Remnants, Discard and Reject Coal in Stockpiles, Dumps and Tailings 7. COMMODITY SPECIFIC REPORTING FORDIAMONDS 7.1 General 7.2 Reporting of Diamond Resources 7.3 Reporting of Diamond Reserves

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APPENDICES
I. II. CHECK LIST OF ASSESSMENT AND REPORTING CRITERIA CHECKLIST OF ASSESSMENT AND REPORTING CRITERIA FOR DIAMONDS 1. Definitions 2. Check List

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1.1

FOREWORD
The South African Code for Reporting of Mineral Resources and Mineral Reserves (the ‘SAMREC Code’ or ‘the Code’) sets out minimum standards, recommendations and guidelines for Public Reporting of Exploration Results, Mineral Resources and Mineral Reserves in South Africa. It has been drawn up by the South African Mineral Resource Committee(‘SAMREC’) under the auspices of the South African Institute of Mining and Metallurgy (‘SAIMM’). The SAMREC Committee consists of representatives of the SAIMM, the South African Council for Natural Scientific Professions (‘SACNASP’), the Geological Society of South Africa (‘GSSA’), the Geostatistical Association of South Africa (‘GASA’), the South African Council for Professional Land Surveyors and...